Guy I of Blois

Guy I of Blois (1294-12 August 1342) was a French nobleman who was Count of Blois and Lord of Avesnes from 1307 to 1342.

Biography
Guy de Chatillon was the son of Hugh II of Chatillon, and he married the sister of Philip VI of France in 1310 and had three children, including Louis II of Blois and Charles of Brittany. In 1315, he served in King Louis X of France's expedition against his uncle Robert III of Flanders, and he also served in the early stages of the Hundred Years' War. He died in 1342.